Rpi-hw v0.7.3

Features

• Low-level access to the GPIO Connector and SPI, I2C, UART buses
• High-level input/output interfaces
• Support for I/O expander ICs
• Support for many devices, including displays, keypads, stepper motors, and sensors (see "List of supported devices" section)
• Unicode support (built-in)
• Support for standard fonts (using FreeType) (optional)
• Support for multiple image formats (using Magick++ API) (optional)
• Drawing functions

List of supported devices

• 8-bit I/O expander with I2C/SPI (MCP23008, MCP23S08)
• 16-bit I/O expander with I2C/SPI (MCP23017, MCP23S17)
• Character LCDs (Hitachi HD44780)
• Graphical LCDs (Philips PCD8544)
• Single and multiple 7-segments diplays
• Matrix keypads
• Ultrasonic distance sensor (HC-SR04)
• Stepper motors